| 1990 - 324 páginas
...Sanctuary: to assure the natural conditions necessary to protect nationally significant species, groups of species, biotic communities, or physical features...specific human manipulation for their perpetuation. V Protected Landscape or Seascape: to maintain nationally significant natural landscapes which are... | |
| 1991 - 472 páginas
...Sanctuary: to assure the natural conditions necessary to protect nationally significant species, groups of species, biotic communities, or physical features...specific human manipulation for their perpetuation. V Protected Landscape or Seascape: to maintain nationally significant natural landscapes which are... | |
| Jill M. Blockhus - 1992 - 260 páginas
...Sanctuary: to assure the natural conditions necessary to protect nationally significant species, groups of species, biotic communities, or physical features...specific human manipulation for their perpetuation. V Protected Landscape or Seascape: to maintain nationally significant natural landscapes which are... | |
| P.H.C. Lucas - 1992 - 330 páginas
...Sanctuary To assure the natural conditions necessary to protect nationally significant species, groups of species, biotic communities, or physical features...specific human manipulation for their perpetuation. Category V: Protected Landscape or Seascape To maintain nationally significant natural landscapes which... | |
| Jeffrey A. McNeely - 1994 - 422 páginas
...Sanctuary. To assure the natural conditions necessary to protect nationally significant species, groups of species, biotic communities, or physical features...these require specific human manipulation for their perpetration. V. Protected Landscapes. To maintain nationally significant natural landscapes which... | |
| IUCN Commission on National Parks and Protected Areas - 1994 - 276 páginas
...maintain the habitat conditions necessary to protect significant species, groups of species, biolic communities or physical features of the environment...where these require specific human manipulation for optimum management; • to facilitate scienti lie research and environmental monitoring as primary... | |
| Melvin Bolton - 1997 - 310 páginas
...Sanctuary: to assure the natural conditions necessary to protect nationally significant species, groups of species, biotic communities, or physical features...specific human manipulation for their perpetuation V Protected Landscape or Seascape: to maintain nationally significant natural landscapes which are... | |
| Rodney V. Salm, John R. Clark, Erkki Siirila - 2000 - 406 páginas
...- to secure and maintain the habitat conditions necessary to protect significant species, groups of species, biotic communities or physical features of...where these require specific human manipulation for optimum management - to facilitate scientific research and environmental monitoring as primary activities... | |
| 2004 - 76 páginas
...• to secure and maintain the habitat conditions necessary to protect significant species, groups of species, biotic communities or physical features of...where these require specific human manipulation for optimum management; • to facilitate scientific research and environmental monitoring as primary activités... | |
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